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Ralph Mowery Ralph Mowery is offline
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Default Best solder free electrical connection


"john hamilton" wrote in message
...
I have to connect this AAA battery holder to a toy. Although I have a small
soldering iron, my soldering skills are poor. I can see myself easily
melting all the plastic around the contacts before I can get anything to
stick to the tabs. (The part of the tabs with the small hole will bend
upwards giving some clearence).

http://tinypic.com/r/iqx3pf/4

My immediate plan is to poke a few strands of wire through the holes in
the connection tabs twist and then apply some nail varnish to stop it
unwinding. Since its a toy it does not need to be totally foolproof.

If anyone had any ideas that were a bit more sophisticated I would be
gratefull. Thanks.


While you don't want to hear it, solder it. Just use some fine 60/40 rosen
core solder. The main thing with soldering is to get the connection clean.
If bare copper wire, scrape or sand it so it shines.

I would not use the nail varnish. Copper wire should hold its shape without
the varnish. Also the varnish could get between the wire and tabs. You
might want to get some electrical tape and wrap it longways around the
battery box to help hold the wire in contact with the tabs.